Document Detail

A comparison of functional gain and 2 cm3 coupler gain.
MedLine Citation:
PMID:  7176579     Owner:  NLM     Status:  MEDLINE    
The amount by which individual functional gain differed from 2 cm3 coupler gain for a single wide-band hearing aid was determined empirically for 20 hearing-impaired adults. Both occluding and non-occluding earmold fittings were evaluated. The amount of this difference accounted for by known measurement differences, such as coupler, real-ear response differences, earmold differences, and sound field pressure differences between the eardrum and hearing aid microphone location, was also established. While it was found that accounting for the known major measurement differences resulted in a reasonable estimate of median differences between measurements of functional gain and measurements of gain in a 2 cm3 coupler, individual variability was quite high.
D B Hawkins; G B Haskell
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  The Journal of speech and hearing disorders     Volume:  47     ISSN:  0022-4677     ISO Abbreviation:  J Speech Hear Disord     Publication Date:  1982 Feb 
Date Detail:
Created Date:  1983-02-25     Completed Date:  1983-02-25     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0376335     Medline TA:  J Speech Hear Disord     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  71-6     Citation Subset:  IM    
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MeSH Terms
Equipment Design
Hearing Aids / standards*
Hearing Loss, Bilateral / rehabilitation
Hearing Loss, Sensorineural / rehabilitation

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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